What kinds of concrete are there in construction crane? Mainly for the construction of this area ~ ~ ~!There is no lifting machinery issued by the state what ~ ~ which detailed description of the construction machinery lifting what?
Tower crane, crane, man goods elevator, lift, there are national standards
The most common are tower cranes, elevators, and freight lifts. The big construction enterprise also has the track type tower crane
National and trade standards for construction and lifting machineryStandard number, building lifting machinery, national and trade standard nameGB 6974.9-1986 lifting machines -- Nomenclature: Tower CranesGB 6974.1-1986 lifting machinery terminology - lifting machinery typeGB 6974.2-1986 lifting machinery terms - main parametersGB 6974.3-1986 lifting machines - Terminology - General conceptsGB 6974.4-1986 lifting machinery terms - bodies and other componentsGB - 6974.5-1986 lifting machines - Terminology - safety indicating devicesGB 6974.6-1986 lifting machines -- Terminology -- mobile cranesGB 6974.7-1986 lifting machines -- Terminology -- Railway CranesCranes; cranes; GB; 6974.8-1986; terminology; floating cranesGB 6974.9-1986 lifting machines -- Nomenclature: Tower CranesGB 6974.10-1986 lifting machinery terms - portal cranesCranes; cranes; cranes; GB; 6974.11-1986; terminologyCranes; cranes; GB; 6974.12-1986; terminology; bridge cranesGB 6974.13-1986 lifting machines -- Terminology -- gantry cranesGB 6974.14-1986 lifting machines -- Terminology -- cable cranes
